2) His Dark Materials. In Lyra's world, the Bible exists, but is different from ours in that it talks about people's daemons. This made me wonder what Christ's daemon would have been. It also seemed to me possible that it wouldn't be stated explicitly anywhere in the Bible, and various churches would then have schismed over the question.
3) A quick plug for
[Edit having installed the below a couple of hours ago]
4) Half Life 2. This mainly consists of me going shitshitshitshitshitFUUUUCK at the monitor as I try not to die. It is, despite or more likely because of this, immense fun as well as being visually gorgeous (though the whole Steam must-be-online-to-play thing is rather irritating edit 2 - looks like you can switch this off, but generally it's all a bit dodgy ).